[Iaude] MPEC F23: 2017 CO32 [a=1.39,e=0.83,i=27.6,H=19.4]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Sat Mar 17 14:41:16 EDT 2018
M.P.E.C. 2018-F23 Issued 2018 Mar. 17, 18:37 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Division F of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Prepared using the Tamkin Foundation Computer Network
MPC at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2017 CO32
Revision to MPEC 2017-D06
Additional Observations:
K17C32O |C2018 03 11.34949 16 09 13.23 -31 51 37.4 23.1 GUEF023807
K17C32O |C2018 03 11.36814 16 09 13.74 -31 51 53.3 23.0 GUEF023807
K17C32O |C2018 03 11.38635 16 09 14.32 -31 52 08.5 23.1 GUEF023807
K17C32O |C2018 03 17.39294 16 11 56.72 -33 19 07.6 22.7 GUEF023807
K17C32O |C2018 03 17.39781 16 11 56.81 -33 19 11.6 22.9 GUEF023807
K17C32O |C2018 03 17.40350 16 11 56.93 -33 19 17.6 22.6 GUEF023807
Observer details:
807 Cerro Tololo. Observers T. Linder, R. Holmes. 1.00-m f/10.0 astrograph
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
180311 807 8.5+ 6.1- 180317 807 9.6+ 8.1- MPO438035 -0.013 day
Orbital elements:
2017 CO32 Earth MOID = 0.3302 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 286.06805 (2000.0) P Q
n 0.60467473 Peri. 358.42419 +0.93964389 -0.29748991
a 1.3850161 Node 21.39185 +0.31877139 +0.58166755
e 0.8331440 Incl. 27.60698 +0.12431476 +0.75707504
P 1.63 H 19.4 G 0.15 U 4
Residuals in seconds of arc
170209 F51 0.0 0.3- 170224 J04 0.2+ 0.4- 170308 691 0.8- 0.0
170209 F51 0.2+ 0.2- 170224 I52 0.8+ 0.5+ 170308 691 0.7- 0.3+
170209 F51 0.3+ 0.3- 170224 I52 0.9- 0.2- 170308 691 0.5- 0.0
170209 F51 0.2+ 0.0 170224 I52 0.6- 0.3- 170315 695 0.3+ 0.4+
170210 H01 0.3+ 0.3- 170224 I52 0.0 0.0 170315 695 0.3+ 0.3+
170210 H01 0.2+ 0.3- 170226 H21 0.0 0.1- 170315 695 0.3+ 0.3+
170210 H01 0.1+ 0.2- 170226 H21 0.0 0.3- 170316 F51 0.3- 0.0
170210 H01 0.2+ 0.2- 170226 H21 0.1+ 0.4- 170316 F51 0.0 0.0
170210 695 0.4+ 0.1+ 170302 G96 0.9+ 0.6- 170316 F51 0.3+ 0.2+
170210 695 0.2- 0.4+ 170302 G96 0.5+ 0.1+ 170416 H21 1.1+ 0.0
170210 695 1.1+ 0.6+ 170302 G96 0.5+ 0.1+ 170416 H21 0.6+ 0.2+
170211 695 0.2+ 0.4+ 170302 G96 0.7+ 0.6+ 170416 H21 0.9+ 0.2-
170211 695 0.2+ 0.3+ 170303 H21 0.4+ 0.3+ 180311 807 0.3+ 0.4+
170211 695 1.0+ 1.2+ 170303 H21 0.4+ 0.0 180311 807 0.4- 0.0
170216 291 0.7- 0.1+ 170303 H21 0.6+ 0.3+ 180311 807 0.1+ 0.1-
170216 291 0.7- 0.0 170307 F51 0.3+ 0.1- 180317 807 0.1- 0.3-
170216 291 0.8- 0.3+ 170307 F51 0.1+ 0.1- 180317 807 0.1- 0.1+
170224 J04 0.0 0.1- 170307 F51 0.2+ 0.2- 180317 807 0.1+ 0.7-
170224 J04 0.2- 0.0 170307 F51 0.3+ 0.1+
Ephemeris:
2017 CO32 a,e,i = 1.39, 0.83, 28 q = 0.2311
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 02 15 15 49 57.0 -27 07 24 1.9997 2.1492 84.8 27.2 23.8
...
2018 03 02 16 03 05.8 -29 52 02 1.6932 2.0551 96.4 28.6 23.4
...
2018 03 10 16 08 27.8 -31 33 17 1.5298 1.9998 102.8 29.0 23.1
...
2018 03 16 16 11 25.2 -32 58 06 1.4084 1.9559 107.7 29.0 22.9
2018 03 17 16 11 48.2 -33 13 07 1.3883 1.9484 108.6 29.0 22.8
2018 03 18 16 12 09.2 -33 28 26 1.3683 1.9408 109.4 28.9 22.8
...
2018 03 24 16 13 26.7 -35 06 39 1.2496 1.8940 114.5 28.6 22.5
...
2018 04 01 16 12 28.4 -37 38 09 1.0963 1.8280 121.4 27.8 22.1
...
2018 04 16 15 56 54.8 -43 47 37 0.8310 1.6922 134.3 25.1 21.3
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-F23
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